document.write( "Question 1145931: Arron’s boat travels 9 mile per hour in still water. The speed of the river is 4 miles per hour. How long will it take Arron to travel 18 miles upstream? \n" ); document.write( "
Algebra.Com's Answer #767204 by greenestamps(13200)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "(1) His upstream speed is the difference between his speed in still water and the speed of the current. \n" ); document.write( "(2) The time required for the upstream trip is the distance, divided by his upstream speed. \n" ); document.write( "Two simple calculations which you should be able to do.... \n" ); document.write( " |